This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH] Improved insn splitting in try_combine
- From: Steven Bosscher <stevenb at suse dot de>
- To: gcc-patches at gcc dot gnu dot org
- Cc: Roger Sayle <roger at eyesopen dot com>
- Date: Tue, 13 Dec 2005 07:29:57 +0100
- Subject: Re: [PATCH] Improved insn splitting in try_combine
- References: <Pine.LNX.4.44.0512122033510.17355-100000@www.eyesopen.com>
On Tuesday 13 December 2005 05:17, Roger Sayle wrote:
> This approach to local (intra-instruction) CES/reassociation in combine
> is complementary to Dan's proposed tree-ssa reassociation work. It's
> effectively a target independent peephole that allows poorly associated
> operations to be reorganized. This optimization isn't implemented in
> the version of LLVM available as an on-line demo, and I suspect not by
> Dan's pass (but I haven't looked too closely).
So why not check that, and add this optimization there instead?
Gr.
Steven